Kuli,

Shark has RAID-5 storage, so in most cases it doesn't need mirroring.
Depending upon configurations it has at least 2 hot-spare drives in each SSA
loop. To make backup and recovery simpler we are doing Flash Copy of 2 TB
database. If you want to know details please drop me a line.

Thank you,
Bandu Vibhute,
George Weston Bakeries Inc.
Voice: 631-951-5212,
Cell: 516-702-0323